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Finding the Third Proportional to 28,458,979,266 and 61,817,069,220

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Solution

The third proportional to 28,458,979,266 and 61,817,069,220 is: 134,275,724,059.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,979,266 : 61,817,069,220 = 61,817,069,220 : x
  2. Step 2: Convert to fraction form
    28,458,979,266/61,817,069,220 = 61,817,069,220/x
  3. Step 3: Cross multiply
    28,458,979,266x = 61,817,069,220 × 61,817,069,220
  4. Step 4: Simplify right side
    28,458,979,266x = 3,821,350,046,950,271,483,904
  5. Step 5: Solve for x
    x = 3,821,350,046,950,271,483,904/28,458,979,266
  6. Step 6: Final answer
    x = 134,275,724,059.99

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.