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Finding the Third Proportional to 30,321,412 and 65,955,464

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Solution

The third proportional to 30,321,412 and 65,955,464 is: 143,467,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321,412 : 65,955,464 = 65,955,464 : x
  2. Step 2: Convert to fraction form
    30,321,412/65,955,464 = 65,955,464/x
  3. Step 3: Cross multiply
    30,321,412x = 65,955,464 × 65,955,464
  4. Step 4: Simplify right side
    30,321,412x = 4,350,123,231,455,296
  5. Step 5: Solve for x
    x = 4,350,123,231,455,296/30,321,412
  6. Step 6: Final answer
    x = 143,467,040.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.