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Finding the Third Proportional to 59,579,983 and 128,565,342

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Solution

The third proportional to 59,579,983 and 128,565,342 is: 277,426,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,579,983 : 128,565,342 = 128,565,342 : x
  2. Step 2: Convert to fraction form
    59,579,983/128,565,342 = 128,565,342/x
  3. Step 3: Cross multiply
    59,579,983x = 128,565,342 × 128,565,342
  4. Step 4: Simplify right side
    59,579,983x = 16,529,047,163,576,964
  5. Step 5: Solve for x
    x = 16,529,047,163,576,964/59,579,983
  6. Step 6: Final answer
    x = 277,426,181.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.