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Finding the Third Proportional to 30,290,242.50 and 46,991,058.75

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Solution

The third proportional to 30,290,242.50 and 46,991,058.75 is: 72,900,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290,242.50 : 46,991,058.75 = 46,991,058.75 : x
  2. Step 2: Convert to fraction form
    30,290,242.50/46,991,058.75 = 46,991,058.75/x
  3. Step 3: Cross multiply
    30,290,242.50x = 46,991,058.75 × 46,991,058.75
  4. Step 4: Simplify right side
    30,290,242.50x = 2,208,159,602,445,951.50
  5. Step 5: Solve for x
    x = 2,208,159,602,445,951.50/30,290,242.50
  6. Step 6: Final answer
    x = 72,900,030.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.