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Finding the Third Proportional to 750,920 and 1,555,072

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Solution

The third proportional to 750,920 and 1,555,072 is: 3,220,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,920 : 1,555,072 = 1,555,072 : x
  2. Step 2: Convert to fraction form
    750,920/1,555,072 = 1,555,072/x
  3. Step 3: Cross multiply
    750,920x = 1,555,072 × 1,555,072
  4. Step 4: Simplify right side
    750,920x = 2,418,248,925,184
  5. Step 5: Solve for x
    x = 2,418,248,925,184/750,920
  6. Step 6: Final answer
    x = 3,220,381.57

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.