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Finding the Third Proportional to 8,263,547 and 12,826,403

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Solution

The third proportional to 8,263,547 and 12,826,403 is: 19,908,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,547 : 12,826,403 = 12,826,403 : x
  2. Step 2: Convert to fraction form
    8,263,547/12,826,403 = 12,826,403/x
  3. Step 3: Cross multiply
    8,263,547x = 12,826,403 × 12,826,403
  4. Step 4: Simplify right side
    8,263,547x = 164,516,613,918,409
  5. Step 5: Solve for x
    x = 164,516,613,918,409/8,263,547
  6. Step 6: Final answer
    x = 19,908,716.43

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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.