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Finding the Third Proportional to 87,246,987 and 189,034,547.25

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Solution

The third proportional to 87,246,987 and 189,034,547.25 is: 409,573,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246,987 : 189,034,547.25 = 189,034,547.25 : x
  2. Step 2: Convert to fraction form
    87,246,987/189,034,547.25 = 189,034,547.25/x
  3. Step 3: Cross multiply
    87,246,987x = 189,034,547.25 × 189,034,547.25
  4. Step 4: Simplify right side
    87,246,987x = 35,734,060,054,012,484
  5. Step 5: Solve for x
    x = 35,734,060,054,012,484/87,246,987
  6. Step 6: Final answer
    x = 409,573,571.34

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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.