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Finding the Third Proportional to 1,319,598.21 and 2,891,401.95

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Solution

The third proportional to 1,319,598.21 and 2,891,401.95 is: 6,335,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,598.21 : 2,891,401.95 = 2,891,401.95 : x
  2. Step 2: Convert to fraction form
    1,319,598.21/2,891,401.95 = 2,891,401.95/x
  3. Step 3: Cross multiply
    1,319,598.21x = 2,891,401.95 × 2,891,401.95
  4. Step 4: Simplify right side
    1,319,598.21x = 8,360,205,209,356.91
  5. Step 5: Solve for x
    x = 8,360,205,209,356.91/1,319,598.21
  6. Step 6: Final answer
    x = 6,335,417.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.