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Finding the Third Proportional to 28,897,440 and 39,359,664

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Solution

The third proportional to 28,897,440 and 39,359,664 is: 53,609,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897,440 : 39,359,664 = 39,359,664 : x
  2. Step 2: Convert to fraction form
    28,897,440/39,359,664 = 39,359,664/x
  3. Step 3: Cross multiply
    28,897,440x = 39,359,664 × 39,359,664
  4. Step 4: Simplify right side
    28,897,440x = 1,549,183,150,192,896
  5. Step 5: Solve for x
    x = 1,549,183,150,192,896/28,897,440
  6. Step 6: Final answer
    x = 53,609,702.11

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.