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Finding the Third Proportional to 8,124,814 and 12,621,070

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Solution

The third proportional to 8,124,814 and 12,621,070 is: 19,605,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,814 : 12,621,070 = 12,621,070 : x
  2. Step 2: Convert to fraction form
    8,124,814/12,621,070 = 12,621,070/x
  3. Step 3: Cross multiply
    8,124,814x = 12,621,070 × 12,621,070
  4. Step 4: Simplify right side
    8,124,814x = 159,291,407,944,900
  5. Step 5: Solve for x
    x = 159,291,407,944,900/8,124,814
  6. Step 6: Final answer
    x = 19,605,545.18

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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.