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Finding the Third Proportional to 119,129,076 and 258,039,675

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Solution

The third proportional to 119,129,076 and 258,039,675 is: 558,927,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,129,076 : 258,039,675 = 258,039,675 : x
  2. Step 2: Convert to fraction form
    119,129,076/258,039,675 = 258,039,675/x
  3. Step 3: Cross multiply
    119,129,076x = 258,039,675 × 258,039,675
  4. Step 4: Simplify right side
    119,129,076x = 66,584,473,874,105,624
  5. Step 5: Solve for x
    x = 66,584,473,874,105,624/119,129,076
  6. Step 6: Final answer
    x = 558,927,141.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.