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Finding the Third Proportional to 8,547,121 and 13,216,657.50

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Solution

The third proportional to 8,547,121 and 13,216,657.50 is: 20,437,295.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,121 : 13,216,657.50 = 13,216,657.50 : x
  2. Step 2: Convert to fraction form
    8,547,121/13,216,657.50 = 13,216,657.50/x
  3. Step 3: Cross multiply
    8,547,121x = 13,216,657.50 × 13,216,657.50
  4. Step 4: Simplify right side
    8,547,121x = 174,680,035,472,306.25
  5. Step 5: Solve for x
    x = 174,680,035,472,306.25/8,547,121
  6. Step 6: Final answer
    x = 20,437,295.26

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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.