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Finding the Third Proportional to 13,355,970.75 and 19,955,336.63

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Solution

The third proportional to 13,355,970.75 and 19,955,336.63 is: 29,815,538.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,970.75 : 19,955,336.63 = 19,955,336.63 : x
  2. Step 2: Convert to fraction form
    13,355,970.75/19,955,336.63 = 19,955,336.63/x
  3. Step 3: Cross multiply
    13,355,970.75x = 19,955,336.63 × 19,955,336.63
  4. Step 4: Simplify right side
    13,355,970.75x = 398,215,459,817,066.38
  5. Step 5: Solve for x
    x = 398,215,459,817,066.38/13,355,970.75
  6. Step 6: Final answer
    x = 29,815,538.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.