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Finding the Third Proportional to 15,038,624 and 31,791,640

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Solution

The third proportional to 15,038,624 and 31,791,640 is: 67,207,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038,624 : 31,791,640 = 31,791,640 : x
  2. Step 2: Convert to fraction form
    15,038,624/31,791,640 = 31,791,640/x
  3. Step 3: Cross multiply
    15,038,624x = 31,791,640 × 31,791,640
  4. Step 4: Simplify right side
    15,038,624x = 1,010,708,373,889,600
  5. Step 5: Solve for x
    x = 1,010,708,373,889,600/15,038,624
  6. Step 6: Final answer
    x = 67,207,503.42

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.