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Finding the Third Proportional to 1,558,823,430 and 3,392,062,620

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Solution

The third proportional to 1,558,823,430 and 3,392,062,620 is: 7,381,264,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,823,430 : 3,392,062,620 = 3,392,062,620 : x
  2. Step 2: Convert to fraction form
    1,558,823,430/3,392,062,620 = 3,392,062,620/x
  3. Step 3: Cross multiply
    1,558,823,430x = 3,392,062,620 × 3,392,062,620
  4. Step 4: Simplify right side
    1,558,823,430x = 11,506,088,818,001,264,640
  5. Step 5: Solve for x
    x = 11,506,088,818,001,264,640/1,558,823,430
  6. Step 6: Final answer
    x = 7,381,264,995.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.