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Finding the Third Proportional to 70,506,644.63 and 154,633,542.19

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Solution

The third proportional to 70,506,644.63 and 154,633,542.19 is: 339,138,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,506,644.63 : 154,633,542.19 = 154,633,542.19 : x
  2. Step 2: Convert to fraction form
    70,506,644.63/154,633,542.19 = 154,633,542.19/x
  3. Step 3: Cross multiply
    70,506,644.63x = 154,633,542.19 × 154,633,542.19
  4. Step 4: Simplify right side
    70,506,644.63x = 23,911,532,369,453,344
  5. Step 5: Solve for x
    x = 23,911,532,369,453,344/70,506,644.63
  6. Step 6: Final answer
    x = 339,138,708.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.