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Finding the Third Proportional to 910,642.50 and 1,407,030.75

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Solution

The third proportional to 910,642.50 and 1,407,030.75 is: 2,173,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,642.50 : 1,407,030.75 = 1,407,030.75 : x
  2. Step 2: Convert to fraction form
    910,642.50/1,407,030.75 = 1,407,030.75/x
  3. Step 3: Cross multiply
    910,642.50x = 1,407,030.75 × 1,407,030.75
  4. Step 4: Simplify right side
    910,642.50x = 1,979,735,531,445.56
  5. Step 5: Solve for x
    x = 1,979,735,531,445.56/910,642.50
  6. Step 6: Final answer
    x = 2,173,998.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.