Home / 8,681,582.25-12,771,435.38

Finding the Third Proportional to 8,681,582.25 and 12,771,435.38

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Solution

The third proportional to 8,681,582.25 and 12,771,435.38 is: 18,787,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,582.25 : 12,771,435.38 = 12,771,435.38 : x
  2. Step 2: Convert to fraction form
    8,681,582.25/12,771,435.38 = 12,771,435.38/x
  3. Step 3: Cross multiply
    8,681,582.25x = 12,771,435.38 × 12,771,435.38
  4. Step 4: Simplify right side
    8,681,582.25x = 163,109,561,537,801.38
  5. Step 5: Solve for x
    x = 163,109,561,537,801.38/8,681,582.25
  6. Step 6: Final answer
    x = 18,787,999.33

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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.