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Finding the Third Proportional to 3,772,066.50 and 7,718,445

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Solution

The third proportional to 3,772,066.50 and 7,718,445 is: 15,793,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772,066.50 : 7,718,445 = 7,718,445 : x
  2. Step 2: Convert to fraction form
    3,772,066.50/7,718,445 = 7,718,445/x
  3. Step 3: Cross multiply
    3,772,066.50x = 7,718,445 × 7,718,445
  4. Step 4: Simplify right side
    3,772,066.50x = 59,574,393,218,025
  5. Step 5: Solve for x
    x = 59,574,393,218,025/3,772,066.50
  6. Step 6: Final answer
    x = 15,793,569.18

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.