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Finding the Third Proportional to 915,782.63 and 1,346,235.19

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Solution

The third proportional to 915,782.63 and 1,346,235.19 is: 1,979,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,782.63 : 1,346,235.19 = 1,346,235.19 : x
  2. Step 2: Convert to fraction form
    915,782.63/1,346,235.19 = 1,346,235.19/x
  3. Step 3: Cross multiply
    915,782.63x = 1,346,235.19 × 1,346,235.19
  4. Step 4: Simplify right side
    915,782.63x = 1,812,349,180,063.16
  5. Step 5: Solve for x
    x = 1,812,349,180,063.16/915,782.63
  6. Step 6: Final answer
    x = 1,979,016.78

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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.