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Finding the Third Proportional to 59,574,770 and 128,559,148

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Solution

The third proportional to 59,574,770 and 128,559,148 is: 277,423,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,574,770 : 128,559,148 = 128,559,148 : x
  2. Step 2: Convert to fraction form
    59,574,770/128,559,148 = 128,559,148/x
  3. Step 3: Cross multiply
    59,574,770x = 128,559,148 × 128,559,148
  4. Step 4: Simplify right side
    59,574,770x = 16,527,454,534,485,904
  5. Step 5: Solve for x
    x = 16,527,454,534,485,904/59,574,770
  6. Step 6: Final answer
    x = 277,423,723.74

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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.