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Finding the Third Proportional to 143,030,050 and 308,721,792

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Solution

The third proportional to 143,030,050 and 308,721,792 is: 666,357,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,030,050 : 308,721,792 = 308,721,792 : x
  2. Step 2: Convert to fraction form
    143,030,050/308,721,792 = 308,721,792/x
  3. Step 3: Cross multiply
    143,030,050x = 308,721,792 × 308,721,792
  4. Step 4: Simplify right side
    143,030,050x = 95,309,144,855,691,264
  5. Step 5: Solve for x
    x = 95,309,144,855,691,264/143,030,050
  6. Step 6: Final answer
    x = 666,357,488.20

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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.