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Finding the Third Proportional to 570,440 and 1,221,861

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Solution

The third proportional to 570,440 and 1,221,861 is: 2,617,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,440 : 1,221,861 = 1,221,861 : x
  2. Step 2: Convert to fraction form
    570,440/1,221,861 = 1,221,861/x
  3. Step 3: Cross multiply
    570,440x = 1,221,861 × 1,221,861
  4. Step 4: Simplify right side
    570,440x = 1,492,944,303,321
  5. Step 5: Solve for x
    x = 1,492,944,303,321/570,440
  6. Step 6: Final answer
    x = 2,617,180.25

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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.