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Finding the Third Proportional to 8,714,624 and 12,778,944

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Solution

The third proportional to 8,714,624 and 12,778,944 is: 18,738,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714,624 : 12,778,944 = 12,778,944 : x
  2. Step 2: Convert to fraction form
    8,714,624/12,778,944 = 12,778,944/x
  3. Step 3: Cross multiply
    8,714,624x = 12,778,944 × 12,778,944
  4. Step 4: Simplify right side
    8,714,624x = 163,301,409,755,136
  5. Step 5: Solve for x
    x = 163,301,409,755,136/8,714,624
  6. Step 6: Final answer
    x = 18,738,778.60

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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.