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Finding the Third Proportional to 1,709,565.75 and 2,638,364.06

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Solution

The third proportional to 1,709,565.75 and 2,638,364.06 is: 4,071,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,565.75 : 2,638,364.06 = 2,638,364.06 : x
  2. Step 2: Convert to fraction form
    1,709,565.75/2,638,364.06 = 2,638,364.06/x
  3. Step 3: Cross multiply
    1,709,565.75x = 2,638,364.06 × 2,638,364.06
  4. Step 4: Simplify right side
    1,709,565.75x = 6,960,964,926,291.50
  5. Step 5: Solve for x
    x = 6,960,964,926,291.50/1,709,565.75
  6. Step 6: Final answer
    x = 4,071,773.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.