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Finding the Third Proportional to 4,128,139.13 and 9,326,503.13

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Solution

The third proportional to 4,128,139.13 and 9,326,503.13 is: 21,070,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,139.13 : 9,326,503.13 = 9,326,503.13 : x
  2. Step 2: Convert to fraction form
    4,128,139.13/9,326,503.13 = 9,326,503.13/x
  3. Step 3: Cross multiply
    4,128,139.13x = 9,326,503.13 × 9,326,503.13
  4. Step 4: Simplify right side
    4,128,139.13x = 86,983,660,540,634.77
  5. Step 5: Solve for x
    x = 86,983,660,540,634.77/4,128,139.13
  6. Step 6: Final answer
    x = 21,070,913.05

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These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.