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Finding the Third Proportional to 872,713.13 and 1,851,068.25

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Solution

The third proportional to 872,713.13 and 1,851,068.25 is: 3,926,208.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,713.13 : 1,851,068.25 = 1,851,068.25 : x
  2. Step 2: Convert to fraction form
    872,713.13/1,851,068.25 = 1,851,068.25/x
  3. Step 3: Cross multiply
    872,713.13x = 1,851,068.25 × 1,851,068.25
  4. Step 4: Simplify right side
    872,713.13x = 3,426,453,666,158.06
  5. Step 5: Solve for x
    x = 3,426,453,666,158.06/872,713.13
  6. Step 6: Final answer
    x = 3,926,208.47

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.