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Finding the Third Proportional to 1,971,214.88 and 2,881,985.63

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Solution

The third proportional to 1,971,214.88 and 2,881,985.63 is: 4,213,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,214.88 : 2,881,985.63 = 2,881,985.63 : x
  2. Step 2: Convert to fraction form
    1,971,214.88/2,881,985.63 = 2,881,985.63/x
  3. Step 3: Cross multiply
    1,971,214.88x = 2,881,985.63 × 2,881,985.63
  4. Step 4: Simplify right side
    1,971,214.88x = 8,305,841,142,706.64
  5. Step 5: Solve for x
    x = 8,305,841,142,706.64/1,971,214.88
  6. Step 6: Final answer
    x = 4,213,564.56

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.