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Finding the Third Proportional to 53,153,454 and 80,805,276

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Solution

The third proportional to 53,153,454 and 80,805,276 is: 122,842,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,153,454 : 80,805,276 = 80,805,276 : x
  2. Step 2: Convert to fraction form
    53,153,454/80,805,276 = 80,805,276/x
  3. Step 3: Cross multiply
    53,153,454x = 80,805,276 × 80,805,276
  4. Step 4: Simplify right side
    53,153,454x = 6,529,492,629,436,176
  5. Step 5: Solve for x
    x = 6,529,492,629,436,176/53,153,454
  6. Step 6: Final answer
    x = 122,842,301.64

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.