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Finding the Third Proportional to 877,785 and 1,888,770

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Solution

The third proportional to 877,785 and 1,888,770 is: 4,064,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,785 : 1,888,770 = 1,888,770 : x
  2. Step 2: Convert to fraction form
    877,785/1,888,770 = 1,888,770/x
  3. Step 3: Cross multiply
    877,785x = 1,888,770 × 1,888,770
  4. Step 4: Simplify right side
    877,785x = 3,567,452,112,900
  5. Step 5: Solve for x
    x = 3,567,452,112,900/877,785
  6. Step 6: Final answer
    x = 4,064,152.51

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.