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Finding the Third Proportional to 28,490,442 and 67,187,283

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Solution

The third proportional to 28,490,442 and 67,187,283 is: 158,443,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490,442 : 67,187,283 = 67,187,283 : x
  2. Step 2: Convert to fraction form
    28,490,442/67,187,283 = 67,187,283/x
  3. Step 3: Cross multiply
    28,490,442x = 67,187,283 × 67,187,283
  4. Step 4: Simplify right side
    28,490,442x = 4,514,130,996,922,089
  5. Step 5: Solve for x
    x = 4,514,130,996,922,089/28,490,442
  6. Step 6: Final answer
    x = 158,443,698.31

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.