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Finding the Third Proportional to 129,987,888 and 191,001,480

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Solution

The third proportional to 129,987,888 and 191,001,480 is: 280,653,574.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,987,888 : 191,001,480 = 191,001,480 : x
  2. Step 2: Convert to fraction form
    129,987,888/191,001,480 = 191,001,480/x
  3. Step 3: Cross multiply
    129,987,888x = 191,001,480 × 191,001,480
  4. Step 4: Simplify right side
    129,987,888x = 36,481,565,362,190,400
  5. Step 5: Solve for x
    x = 36,481,565,362,190,400/129,987,888
  6. Step 6: Final answer
    x = 280,653,574.14

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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.