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Finding the Third Proportional to 15,938,804,399 and 34,880,130,165

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Solution

The third proportional to 15,938,804,399 and 34,880,130,165 is: 76,330,912,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938,804,399 : 34,880,130,165 = 34,880,130,165 : x
  2. Step 2: Convert to fraction form
    15,938,804,399/34,880,130,165 = 34,880,130,165/x
  3. Step 3: Cross multiply
    15,938,804,399x = 34,880,130,165 × 34,880,130,165
  4. Step 4: Simplify right side
    15,938,804,399x = 1,216,623,480,327,342,915,584
  5. Step 5: Solve for x
    x = 1,216,623,480,327,342,915,584/15,938,804,399
  6. Step 6: Final answer
    x = 76,330,912,273.68

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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.