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Finding the Third Proportional to 772,746.19 and 1,135,981.13

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Solution

The third proportional to 772,746.19 and 1,135,981.13 is: 1,669,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,746.19 : 1,135,981.13 = 1,135,981.13 : x
  2. Step 2: Convert to fraction form
    772,746.19/1,135,981.13 = 1,135,981.13/x
  3. Step 3: Cross multiply
    772,746.19x = 1,135,981.13 × 1,135,981.13
  4. Step 4: Simplify right side
    772,746.19x = 1,290,453,116,356.27
  5. Step 5: Solve for x
    x = 1,290,453,116,356.27/772,746.19
  6. Step 6: Final answer
    x = 1,669,957.27

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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.