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Finding the Third Proportional to 916,011.28 and 1,346,645.25

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Solution

The third proportional to 916,011.28 and 1,346,645.25 is: 1,979,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,011.28 : 1,346,645.25 = 1,346,645.25 : x
  2. Step 2: Convert to fraction form
    916,011.28/1,346,645.25 = 1,346,645.25/x
  3. Step 3: Cross multiply
    916,011.28x = 1,346,645.25 × 1,346,645.25
  4. Step 4: Simplify right side
    916,011.28x = 1,813,453,429,347.56
  5. Step 5: Solve for x
    x = 1,813,453,429,347.56/916,011.28
  6. Step 6: Final answer
    x = 1,979,728.27

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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.