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Finding the Third Proportional to 1,238,756.63 and 1,875,220.88

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Solution

The third proportional to 1,238,756.63 and 1,875,220.88 is: 2,838,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,756.63 : 1,875,220.88 = 1,875,220.88 : x
  2. Step 2: Convert to fraction form
    1,238,756.63/1,875,220.88 = 1,875,220.88/x
  3. Step 3: Cross multiply
    1,238,756.63x = 1,875,220.88 × 1,875,220.88
  4. Step 4: Simplify right side
    1,238,756.63x = 3,516,453,330,035.77
  5. Step 5: Solve for x
    x = 3,516,453,330,035.77/1,238,756.63
  6. Step 6: Final answer
    x = 2,838,695.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.