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Finding the Third Proportional to 319,107,141 and 698,748,741

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Solution

The third proportional to 319,107,141 and 698,748,741 is: 1,530,049,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,107,141 : 698,748,741 = 698,748,741 : x
  2. Step 2: Convert to fraction form
    319,107,141/698,748,741 = 698,748,741/x
  3. Step 3: Cross multiply
    319,107,141x = 698,748,741 × 698,748,741
  4. Step 4: Simplify right side
    319,107,141x = 488,249,803,049,085,056
  5. Step 5: Solve for x
    x = 488,249,803,049,085,056/319,107,141
  6. Step 6: Final answer
    x = 1,530,049,755.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.