Home / 13,721,191.31-18,814,352.63

Finding the Third Proportional to 13,721,191.31 and 18,814,352.63

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Solution

The third proportional to 13,721,191.31 and 18,814,352.63 is: 25,798,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,191.31 : 18,814,352.63 = 18,814,352.63 : x
  2. Step 2: Convert to fraction form
    13,721,191.31/18,814,352.63 = 18,814,352.63/x
  3. Step 3: Cross multiply
    13,721,191.31x = 18,814,352.63 × 18,814,352.63
  4. Step 4: Simplify right side
    13,721,191.31x = 353,979,864,697,844.38
  5. Step 5: Solve for x
    x = 353,979,864,697,844.38/13,721,191.31
  6. Step 6: Final answer
    x = 25,798,041.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.