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Finding the Third Proportional to 15,272,862,290 and 32,879,893,369

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Solution

The third proportional to 15,272,862,290 and 32,879,893,369 is: 70,784,857,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,272,862,290 : 32,879,893,369 = 32,879,893,369 : x
  2. Step 2: Convert to fraction form
    15,272,862,290/32,879,893,369 = 32,879,893,369/x
  3. Step 3: Cross multiply
    15,272,862,290x = 32,879,893,369 × 32,879,893,369
  4. Step 4: Simplify right side
    15,272,862,290x = 1,081,087,387,956,810,219,520
  5. Step 5: Solve for x
    x = 1,081,087,387,956,810,219,520/15,272,862,290
  6. Step 6: Final answer
    x = 70,784,857,967.63

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.