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Finding the Third Proportional to 917,091 and 1,347,448.50

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Solution

The third proportional to 917,091 and 1,347,448.50 is: 1,979,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,091 : 1,347,448.50 = 1,347,448.50 : x
  2. Step 2: Convert to fraction form
    917,091/1,347,448.50 = 1,347,448.50/x
  3. Step 3: Cross multiply
    917,091x = 1,347,448.50 × 1,347,448.50
  4. Step 4: Simplify right side
    917,091x = 1,815,617,460,152.25
  5. Step 5: Solve for x
    x = 1,815,617,460,152.25/917,091
  6. Step 6: Final answer
    x = 1,979,757.15

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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.