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Finding the Third Proportional to 565,490 and 1,232,590

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Solution

The third proportional to 565,490 and 1,232,590 is: 2,686,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,490 : 1,232,590 = 1,232,590 : x
  2. Step 2: Convert to fraction form
    565,490/1,232,590 = 1,232,590/x
  3. Step 3: Cross multiply
    565,490x = 1,232,590 × 1,232,590
  4. Step 4: Simplify right side
    565,490x = 1,519,278,108,100
  5. Step 5: Solve for x
    x = 1,519,278,108,100/565,490
  6. Step 6: Final answer
    x = 2,686,657.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.