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Finding the Third Proportional to 4,502,225,688 and 9,920,414,928

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Solution

The third proportional to 4,502,225,688 and 9,920,414,928 is: 21,859,106,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502,225,688 : 9,920,414,928 = 9,920,414,928 : x
  2. Step 2: Convert to fraction form
    4,502,225,688/9,920,414,928 = 9,920,414,928/x
  3. Step 3: Cross multiply
    4,502,225,688x = 9,920,414,928 × 9,920,414,928
  4. Step 4: Simplify right side
    4,502,225,688x = 98,414,632,343,685,251,072
  5. Step 5: Solve for x
    x = 98,414,632,343,685,251,072/4,502,225,688
  6. Step 6: Final answer
    x = 21,859,106,842.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.