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Finding the Third Proportional to 620,052,223.50 and 918,455,125.50

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Solution

The third proportional to 620,052,223.50 and 918,455,125.50 is: 1,360,465,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,052,223.50 : 918,455,125.50 = 918,455,125.50 : x
  2. Step 2: Convert to fraction form
    620,052,223.50/918,455,125.50 = 918,455,125.50/x
  3. Step 3: Cross multiply
    620,052,223.50x = 918,455,125.50 × 918,455,125.50
  4. Step 4: Simplify right side
    620,052,223.50x = 843,559,817,557,220,736
  5. Step 5: Solve for x
    x = 843,559,817,557,220,736/620,052,223.50
  6. Step 6: Final answer
    x = 1,360,465,756.89

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.