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Finding the Third Proportional to 30,877,706 and 45,418,430

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Solution

The third proportional to 30,877,706 and 45,418,430 is: 66,806,575.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,877,706 : 45,418,430 = 45,418,430 : x
  2. Step 2: Convert to fraction form
    30,877,706/45,418,430 = 45,418,430/x
  3. Step 3: Cross multiply
    30,877,706x = 45,418,430 × 45,418,430
  4. Step 4: Simplify right side
    30,877,706x = 2,062,833,783,664,900
  5. Step 5: Solve for x
    x = 2,062,833,783,664,900/30,877,706
  6. Step 6: Final answer
    x = 66,806,575.06

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.