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Finding the Third Proportional to 64,641,951 and 139,539,474

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Solution

The third proportional to 64,641,951 and 139,539,474 is: 301,217,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,641,951 : 139,539,474 = 139,539,474 : x
  2. Step 2: Convert to fraction form
    64,641,951/139,539,474 = 139,539,474/x
  3. Step 3: Cross multiply
    64,641,951x = 139,539,474 × 139,539,474
  4. Step 4: Simplify right side
    64,641,951x = 19,471,264,804,196,676
  5. Step 5: Solve for x
    x = 19,471,264,804,196,676/64,641,951
  6. Step 6: Final answer
    x = 301,217,158.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.