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Finding the Third Proportional to 8,714,626 and 12,778,947

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Solution

The third proportional to 8,714,626 and 12,778,947 is: 18,738,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714,626 : 12,778,947 = 12,778,947 : x
  2. Step 2: Convert to fraction form
    8,714,626/12,778,947 = 12,778,947/x
  3. Step 3: Cross multiply
    8,714,626x = 12,778,947 × 12,778,947
  4. Step 4: Simplify right side
    8,714,626x = 163,301,486,428,809
  5. Step 5: Solve for x
    x = 163,301,486,428,809/8,714,626
  6. Step 6: Final answer
    x = 18,738,783.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.