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Finding the Third Proportional to 1,709,859.38 and 2,668,307.06

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Solution

The third proportional to 1,709,859.38 and 2,668,307.06 is: 4,164,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,859.38 : 2,668,307.06 = 2,668,307.06 : x
  2. Step 2: Convert to fraction form
    1,709,859.38/2,668,307.06 = 2,668,307.06/x
  3. Step 3: Cross multiply
    1,709,859.38x = 2,668,307.06 × 2,668,307.06
  4. Step 4: Simplify right side
    1,709,859.38x = 7,119,862,579,787.38
  5. Step 5: Solve for x
    x = 7,119,862,579,787.38/1,709,859.38
  6. Step 6: Final answer
    x = 4,164,004.76

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.