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Finding the Third Proportional to 8,461,512.13 and 12,890,664.19

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Solution

The third proportional to 8,461,512.13 and 12,890,664.19 is: 19,638,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,512.13 : 12,890,664.19 = 12,890,664.19 : x
  2. Step 2: Convert to fraction form
    8,461,512.13/12,890,664.19 = 12,890,664.19/x
  3. Step 3: Cross multiply
    8,461,512.13x = 12,890,664.19 × 12,890,664.19
  4. Step 4: Simplify right side
    8,461,512.13x = 166,169,223,194,895.03
  5. Step 5: Solve for x
    x = 166,169,223,194,895.03/8,461,512.13
  6. Step 6: Final answer
    x = 19,638,242.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.