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Finding the Third Proportional to 740,550 and 1,121,211

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Solution

The third proportional to 740,550 and 1,121,211 is: 1,697,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,550 : 1,121,211 = 1,121,211 : x
  2. Step 2: Convert to fraction form
    740,550/1,121,211 = 1,121,211/x
  3. Step 3: Cross multiply
    740,550x = 1,121,211 × 1,121,211
  4. Step 4: Simplify right side
    740,550x = 1,257,114,106,521
  5. Step 5: Solve for x
    x = 1,257,114,106,521/740,550
  6. Step 6: Final answer
    x = 1,697,541.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.