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Finding the Third Proportional to 12,922,363.50 and 20,006,658

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Solution

The third proportional to 12,922,363.50 and 20,006,658 is: 30,974,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,363.50 : 20,006,658 = 20,006,658 : x
  2. Step 2: Convert to fraction form
    12,922,363.50/20,006,658 = 20,006,658/x
  3. Step 3: Cross multiply
    12,922,363.50x = 20,006,658 × 20,006,658
  4. Step 4: Simplify right side
    12,922,363.50x = 400,266,364,328,964
  5. Step 5: Solve for x
    x = 400,266,364,328,964/12,922,363.50
  6. Step 6: Final answer
    x = 30,974,702.45

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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.