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Finding the Third Proportional to 10,773,141.47 and 15,116,877.28

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Solution

The third proportional to 10,773,141.47 and 15,116,877.28 is: 21,212,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,773,141.47 : 15,116,877.28 = 15,116,877.28 : x
  2. Step 2: Convert to fraction form
    10,773,141.47/15,116,877.28 = 15,116,877.28/x
  3. Step 3: Cross multiply
    10,773,141.47x = 15,116,877.28 × 15,116,877.28
  4. Step 4: Simplify right side
    10,773,141.47x = 228,519,978,736,372.41
  5. Step 5: Solve for x
    x = 228,519,978,736,372.41/10,773,141.47
  6. Step 6: Final answer
    x = 21,212,009.46

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.