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Finding the Third Proportional to 15,721,828 and 33,333,196

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Solution

The third proportional to 15,721,828 and 33,333,196 is: 70,672,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721,828 : 33,333,196 = 33,333,196 : x
  2. Step 2: Convert to fraction form
    15,721,828/33,333,196 = 33,333,196/x
  3. Step 3: Cross multiply
    15,721,828x = 33,333,196 × 33,333,196
  4. Step 4: Simplify right side
    15,721,828x = 1,111,101,955,574,416
  5. Step 5: Solve for x
    x = 1,111,101,955,574,416/15,721,828
  6. Step 6: Final answer
    x = 70,672,567.82

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.