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Finding the Third Proportional to 571,465 and 1,221,660

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Solution

The third proportional to 571,465 and 1,221,660 is: 2,611,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,465 : 1,221,660 = 1,221,660 : x
  2. Step 2: Convert to fraction form
    571,465/1,221,660 = 1,221,660/x
  3. Step 3: Cross multiply
    571,465x = 1,221,660 × 1,221,660
  4. Step 4: Simplify right side
    571,465x = 1,492,453,155,600
  5. Step 5: Solve for x
    x = 1,492,453,155,600/571,465
  6. Step 6: Final answer
    x = 2,611,626.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.