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Finding the Third Proportional to 695,220 and 1,075,908

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Solution

The third proportional to 695,220 and 1,075,908 is: 1,665,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,220 : 1,075,908 = 1,075,908 : x
  2. Step 2: Convert to fraction form
    695,220/1,075,908 = 1,075,908/x
  3. Step 3: Cross multiply
    695,220x = 1,075,908 × 1,075,908
  4. Step 4: Simplify right side
    695,220x = 1,157,578,024,464
  5. Step 5: Solve for x
    x = 1,157,578,024,464/695,220
  6. Step 6: Final answer
    x = 1,665,052.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.