Home / 474,737,881,125.80-640,532,858,981.20

Finding the Third Proportional to 474,737,881,125.80 and 640,532,858,981.20

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Solution

The third proportional to 474,737,881,125.80 and 640,532,858,981.20 is: 864,229,208,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,737,881,125.80 : 640,532,858,981.20 = 640,532,858,981.20 : x
  2. Step 2: Convert to fraction form
    474,737,881,125.80/640,532,858,981.20 = 640,532,858,981.20/x
  3. Step 3: Cross multiply
    474,737,881,125.80x = 640,532,858,981.20 × 640,532,858,981.20
  4. Step 4: Simplify right side
    474,737,881,125.80x = 410,282,343,434,629,779,816,448
  5. Step 5: Solve for x
    x = 410,282,343,434,629,779,816,448/474,737,881,125.80
  6. Step 6: Final answer
    x = 864,229,208,888.24

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.