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Finding the Third Proportional to 877,507 and 1,885,987

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Solution

The third proportional to 877,507 and 1,885,987 is: 4,053,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,507 : 1,885,987 = 1,885,987 : x
  2. Step 2: Convert to fraction form
    877,507/1,885,987 = 1,885,987/x
  3. Step 3: Cross multiply
    877,507x = 1,885,987 × 1,885,987
  4. Step 4: Simplify right side
    877,507x = 3,556,946,964,169
  5. Step 5: Solve for x
    x = 3,556,946,964,169/877,507
  6. Step 6: Final answer
    x = 4,053,468.48

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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.