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Finding the Third Proportional to 40,256,972 and 86,887,816

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Solution

The third proportional to 40,256,972 and 86,887,816 is: 187,532,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,256,972 : 86,887,816 = 86,887,816 : x
  2. Step 2: Convert to fraction form
    40,256,972/86,887,816 = 86,887,816/x
  3. Step 3: Cross multiply
    40,256,972x = 86,887,816 × 86,887,816
  4. Step 4: Simplify right side
    40,256,972x = 7,549,492,569,249,856
  5. Step 5: Solve for x
    x = 7,549,492,569,249,856/40,256,972
  6. Step 6: Final answer
    x = 187,532,548.88

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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.