Finding the Third Proportional to 30,518,672 and 42,778,176
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Solution
The third proportional to 30,518,672 and 42,778,176 is: 59,962,384.40
Step by Step Solution
- Step 1: Write the proportion equation
30,518,672 : 42,778,176 = 42,778,176 : x - Step 2: Convert to fraction form
30,518,672/42,778,176 = 42,778,176/x - Step 3: Cross multiply
30,518,672x = 42,778,176 × 42,778,176 - Step 4: Simplify right side
30,518,672x = 1,829,972,341,886,976 - Step 5: Solve for x
x = 1,829,972,341,886,976/30,518,672 - Step 6: Final answer
x = 59,962,384.40
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.