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Finding the Third Proportional to 349,970.63 and 767,728.13

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Solution

The third proportional to 349,970.63 and 767,728.13 is: 1,684,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,970.63 : 767,728.13 = 767,728.13 : x
  2. Step 2: Convert to fraction form
    349,970.63/767,728.13 = 767,728.13/x
  3. Step 3: Cross multiply
    349,970.63x = 767,728.13 × 767,728.13
  4. Step 4: Simplify right side
    349,970.63x = 589,406,473,916.02
  5. Step 5: Solve for x
    x = 589,406,473,916.02/349,970.63
  6. Step 6: Final answer
    x = 1,684,159.85

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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.