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Finding the Third Proportional to 58,742,478 and 127,247,886

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Solution

The third proportional to 58,742,478 and 127,247,886 is: 275,644,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,742,478 : 127,247,886 = 127,247,886 : x
  2. Step 2: Convert to fraction form
    58,742,478/127,247,886 = 127,247,886/x
  3. Step 3: Cross multiply
    58,742,478x = 127,247,886 × 127,247,886
  4. Step 4: Simplify right side
    58,742,478x = 16,192,024,491,468,996
  5. Step 5: Solve for x
    x = 16,192,024,491,468,996/58,742,478
  6. Step 6: Final answer
    x = 275,644,219.36

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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.