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Finding the Third Proportional to 13,386,312 and 20,684,108

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Solution

The third proportional to 13,386,312 and 20,684,108 is: 31,960,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386,312 : 20,684,108 = 20,684,108 : x
  2. Step 2: Convert to fraction form
    13,386,312/20,684,108 = 20,684,108/x
  3. Step 3: Cross multiply
    13,386,312x = 20,684,108 × 20,684,108
  4. Step 4: Simplify right side
    13,386,312x = 427,832,323,755,664
  5. Step 5: Solve for x
    x = 427,832,323,755,664/13,386,312
  6. Step 6: Final answer
    x = 31,960,432.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.